// Copyright 2015-2020 Parity Technologies (UK) Ltd.
// This file is part of OpenEthereum.

// OpenEthereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// OpenEthereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with OpenEthereum.  If not, see <http://www.gnu.org/licenses/>.

//! Traces specific rpc interface.

use ethereum_types::H256;
use jsonrpc_core::Result;
use jsonrpc_derive::rpc;
use v1::types::{
    BlockNumber, Bytes, CallRequest, Index, LocalizedTrace, TraceFilter, TraceOptions,
    TraceResults, TraceResultsWithTransactionHash,
};

/// Traces specific rpc interface.
#[rpc(server)]
pub trait Traces {
    /// RPC Metadata
    type Metadata;

    /// Returns traces matching given filter.
    #[rpc(name = "trace_filter")]
    fn filter(&self, _: TraceFilter) -> Result<Option<Vec<LocalizedTrace>>>;

    /// Returns transaction trace at given index.
    #[rpc(name = "trace_get")]
    fn trace(&self, _: H256, _: Vec<Index>) -> Result<Option<LocalizedTrace>>;

    /// Returns all traces of given transaction.
    #[rpc(name = "trace_transaction")]
    fn transaction_traces(&self, _: H256) -> Result<Option<Vec<LocalizedTrace>>>;

    /// Returns all traces produced at given block.
    #[rpc(name = "trace_block")]
    fn block_traces(&self, _: BlockNumber) -> Result<Option<Vec<LocalizedTrace>>>;

    /// Executes the given call and returns a number of possible traces for it.
    #[rpc(name = "trace_call")]
    fn call(&self, _: CallRequest, _: TraceOptions, _: Option<BlockNumber>)
        -> Result<TraceResults>;

    /// Executes all given calls and returns a number of possible traces for each of it.
    #[rpc(name = "trace_callMany")]
    fn call_many(
        &self,
        _: Vec<(CallRequest, TraceOptions)>,
        _: Option<BlockNumber>,
    ) -> Result<Vec<TraceResults>>;

    /// Executes the given raw transaction and returns a number of possible traces for it.
    #[rpc(name = "trace_rawTransaction")]
    fn raw_transaction(
        &self,
        _: Bytes,
        _: TraceOptions,
        _: Option<BlockNumber>,
    ) -> Result<TraceResults>;

    /// Executes the transaction with the given hash and returns a number of possible traces for it.
    #[rpc(name = "trace_replayTransaction")]
    fn replay_transaction(&self, _: H256, _: TraceOptions) -> Result<TraceResults>;

    /// Executes all the transactions at the given block and returns a number of possible traces for each transaction.
    #[rpc(name = "trace_replayBlockTransactions")]
    fn replay_block_transactions(
        &self,
        _: BlockNumber,
        _: TraceOptions,
    ) -> Result<Vec<TraceResultsWithTransactionHash>>;
}
